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ALF-13080-E-01
All-Flo
16
PILOT VALVE REMOVAL
STEP 1
Using the screwdriver, remove
three “Phillips Pan Head Mach
Screw (#6-32-x 3/8”)” in order to
remove the “Retaining Plate”.
Repeat for both sides of the pump.
STEP 2
Remove the “diaphragm rod” and
the “pilot sleeve assembly” from
the “Intermediate”.
TOOLS NEEDED
1) One Screwdriver, Phillips #2
2) Two Wrenches, 3/4 Inch
The chambers do not need to be
removed for this procedure.
The graphics show the inner
chambers removed for clarity.
WARNING
Prior to servicing the pump, ensure that the air and fluid
lines are closed and disconnected. While wearing personal protective equip-
ment, flush, drain and process liquid from the pump in a safe manner.
WARNING
Maintenance must not be performed when a hazardous atmo-
sphere is present.
WARNING
For pump models with non-metallic manifolds, air valves, or
chambers: When the relative humidity in the surrounding atmosphere is above
30%, the equipment must not be touched by personnel unless first wiped down
with a damp cloth.
STEP 3
Remove the “lip seal” and “end
spacer”.
STEP 4
Remove “O-rings” and “inner
spacer”.
REPAIR AND ASSEMBLY
STEP 5
Remove “pilot sleeve” from
diaphragm rod. The two piece rod
must be disassembled to remove
the “pilot sleeve”. Use the 3/4
inch wrenches to separate the
rod. Note they are installed with
threadlocker.